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String.prototype[5] = "five";
String.prototype.foo = "foo";
var lastSetThisValue = null;
class TerribleClass {
get #privateStrict() {
"use strict";
lastSetThisValue = this;
}
get #privateNonStrict() {
lastSetThisValue = this;
}
get 10() {
"use strict";
return this.#privateStrict;
}
get 11() {
return this.#privateNonStrict;
}
set 12(v) {
"use strict";
return this.#privateStrict;
}
set 13(v) {
return this.#privateNonStrict;
}
get strictGetPrivate() {
"use strict";
return this.#privateStrict;
}
get nonStrictGetPrivate() {
return this.#privateNonStrict;
}
set strictSetPrivate(v) {
"use strict";
this.#privateStrict;
}
set nonStrictSetPrivate(v) {
this.#privateNonStrict;
}
}
String.prototype.__proto__ = {
get nonStrictThis() {
return this;
},
get strictThis() {
"use strict";
return this;
},
set setNonStrictThis(v) {
lastSetThisValue = this;
},
set setStrictThis(v) {
"use strict";
lastSetThisValue = this;
},
get 6() {
"use strict";
return this;
},
get 7() {
return this;
},
set 8(v) {
"use strict";
lastSetThisValue = this;
},
set 9(v) {
lastSetThisValue = this;
},
};
String.prototype.__proto__.__proto__ = new TerribleClass();
test("primitive string: numeric indexing", () => {
expect(""[0]).toBeUndefined();
expect("foo"[0]).toBe("f");
expect("foo"[2]).toBe("o");
expect("foo"[3]).toBeUndefined();
expect("foo"[-1]).toBeUndefined();
expect("foo"[1.5]).toBeUndefined();
expect("foo"[5]).toBe("five");
expect(typeof "foo"[6]).toBe("string");
expect("foo"[6]).toBe("foo");
expect(typeof "foo"[7]).toBe("object");
expect("foo"[7] instanceof String).toBeTrue();
expect("foo"[7] !== "foo"[7]).toBeTrue();
expect("foo"[7] !== String.prototype).toBeTrue();
"foo"[8] = "test";
expect(typeof lastSetThisValue).toBe("string");
expect(lastSetThisValue).toBe("foo");
lastSetThisValue = null;
"foo"[9] = "test";
expect(typeof lastSetThisValue).toBe("object");
expect(lastSetThisValue instanceof String).toBeTrue();
expect(lastSetThisValue !== String.prototype);
let oldThisValue = lastSetThisValue;
lastSetThisValue = null;
"foo"[9] = "test";
expect(lastSetThisValue !== oldThisValue).toBeTrue();
lastSetThisValue = null;
expect(() => "foo"[10]).toThrow();
expect(lastSetThisValue).toBeNull();
lastSetThisValue = null;
expect(() => "foo"[11]).toThrow();
expect(lastSetThisValue).toBeNull();
lastSetThisValue = null;
expect(() => ("foo"[12] = "wat")).toThrow();
expect(lastSetThisValue).toBeNull();
lastSetThisValue = null;
expect(() => ("foo"[13] = "wat")).toThrow();
expect(lastSetThisValue).toBeNull();
lastSetThisValue = null;
});
test("primitive string: string property indexing", () => {
expect(""["0"]).toBeUndefined();
expect("foo"["0"]).toBe("f");
expect("foo"["01"]).toBeUndefined();
expect("foo"[" 1"]).toBeUndefined();
expect("foo"["1 "]).toBeUndefined();
expect("foo"["2"]).toBe("o");
expect("foo"["3"]).toBeUndefined();
expect("foo"["-1"]).toBeUndefined();
expect("foo"["1.5"]).toBeUndefined();
expect("foo"["5"]).toBe("five");
expect(typeof "foo"["6"]).toBe("string");
expect("foo"["6"]).toBe("foo");
expect(typeof "foo"["7"]).toBe("object");
expect("foo"["7"] instanceof String).toBeTrue();
expect("foo"["7"] !== "foo"[7]).toBeTrue();
expect("foo"["7"] !== String.prototope).toBeTrue();
expect(""["length"]).toBe(0);
expect("foo"["length"]).toBe(3);
"foo"["8"] = "test";
expect(typeof lastSetThisValue).toBe("string");
expect(lastSetThisValue).toBe("foo");
lastSetThisValue = null;
"foo"["9"] = "test";
expect(typeof lastSetThisValue).toBe("object");
expect(lastSetThisValue instanceof String).toBeTrue();
expect(lastSetThisValue !== String.prototype);
let oldThisValue = lastSetThisValue;
lastSetThisValue = null;
"foo"["9"] = "test";
expect(lastSetThisValue !== oldThisValue).toBeTrue();
lastSetThisValue = null;
expect(() => "foo"["10"]).toThrow();
expect(lastSetThisValue).toBeNull();
lastSetThisValue = null;
expect(() => "foo"["11"]).toThrow();
expect(lastSetThisValue).toBeNull();
lastSetThisValue = null;
expect(() => ("foo"["12"] = "wat")).toThrow();
expect(lastSetThisValue).toBeNull();
lastSetThisValue = null;
expect(() => ("foo"["13"] = "wat")).toThrow();
expect(lastSetThisValue).toBeNull();
lastSetThisValue = null;
});
test("primitive string: string property name access", () => {
expect("".length).toBe(0);
expect("foo".length).toBe(3);
expect("foo".bar).toBeUndefined();
expect("foo".foo).toBe("foo");
expect(typeof "foo".strictThis).toBe("string");
expect("foo".strictThis).toBe("foo");
expect(typeof "foo".nonStrictThis).toBe("object");
expect("foo".nonStrictThis !== "foo".nonStrictThis).toBeTrue();
expect("foo".nonStrictThis !== String.prototype).toBeTrue();
expect("foo".nonStrictThis instanceof String).toBeTrue();
let str = new String("foo");
str.setStrictThis = "test";
expect(typeof lastSetThisValue).toBe("object");
expect(lastSetThisValue).toBe(str);
lastSetThisValue = null;
str.setNonStrictThis = "test";
expect(typeof lastSetThisValue).toBe("object");
expect(lastSetThisValue instanceof String).toBeTrue();
expect(lastSetThisValue).toBe(str);
let oldThisValue = lastSetThisValue;
lastSetThisValue = null;
str.setNonStrictThis = "test";
expect(lastSetThisValue === oldThisValue).toBeTrue();
lastSetThisValue = null;
expect(() => "foo".strictGetPrivate).toThrow();
expect(lastSetThisValue).toBeNull();
lastSetThisValue = null;
expect(() => "foo".nonStrictGetPrivate).toThrow();
expect(lastSetThisValue).toBeNull();
lastSetThisValue = null;
expect(() => ("foo".strictSetPrivate = "wat")).toThrow();
expect(lastSetThisValue).toBeNull();
lastSetThisValue = null;
expect(() => ("foo".nonStrictSetPrivate = "wat")).toThrow();
expect(lastSetThisValue).toBeNull();
lastSetThisValue = null;
});
test("string object: string numeric indexing", () => {
expect(new String("")[0]).toBeUndefined();
expect(new String("foo")[0]).toBe("f");
expect(new String("foo")[2]).toBe("o");
expect(new String("foo")[3]).toBeUndefined();
expect(new String("foo")[-1]).toBeUndefined();
expect(new String("foo")[1.5]).toBeUndefined();
expect(new String("foo")[5]).toBe("five");
expect(typeof new String("foo")[6]).toBe("object");
let str = new String("foo");
expect(str[7]).toBe(str);
expect(typeof "foo"[7]).toBe("object");
expect(str[7] instanceof String).toBeTrue();
expect(str[7]).toBe(str);
expect(str[7] !== String.prototope).toBeTrue();
str["8"] = "test";
expect(typeof lastSetThisValue).toBe("object");
expect(lastSetThisValue).toBe(str);
lastSetThisValue = null;
str["9"] = "test";
expect(typeof lastSetThisValue).toBe("object");
expect(lastSetThisValue instanceof String).toBeTrue();
expect(lastSetThisValue).toBe(str);
let oldThisValue = lastSetThisValue;
lastSetThisValue = null;
str["9"] = "test";
expect(lastSetThisValue === oldThisValue).toBeTrue();
lastSetThisValue = null;
});
test("string object: string property indexing", () => {
expect(new String("")["0"]).toBeUndefined();
expect(new String("foo")["0"]).toBe("f");
expect(new String("foo")["2"]).toBe("o");
expect(new String("foo")["3"]).toBeUndefined();
expect(new String("foo")["-1"]).toBeUndefined();
expect(new String("foo")["1.5"]).toBeUndefined();
expect(new String("foo")["5"]).toBe("five");
expect(typeof new String("foo")["6"]).toBe("object");
let str = new String("foo");
expect(str["7"]).toBe(str);
expect(typeof "foo"["7"]).toBe("object");
expect(str["7"] instanceof String).toBeTrue();
expect(str["7"]).toBe(str);
expect(str["7"] !== String.prototope).toBeTrue();
str["setStrictThis"] = "test";
expect(typeof lastSetThisValue).toBe("object");
expect(lastSetThisValue).toBe(str);
lastSetThisValue = null;
str["setNonStrictThis"] = "test";
expect(typeof lastSetThisValue).toBe("object");
expect(lastSetThisValue instanceof String).toBeTrue();
expect(lastSetThisValue).toBe(str);
let oldThisValue = lastSetThisValue;
lastSetThisValue = null;
str["setNonStrictThis"] = "test";
expect(lastSetThisValue === oldThisValue).toBeTrue();
lastSetThisValue = null;
expect(() => str.strictGetPrivate).toThrow();
expect(lastSetThisValue).toBeNull();
lastSetThisValue = null;
expect(() => str.nonStrictGetPrivate).toThrow();
expect(lastSetThisValue).toBeNull();
lastSetThisValue = null;
expect(() => (str.strictSetPrivate = "wat")).toThrow();
expect(lastSetThisValue).toBeNull();
lastSetThisValue = null;
expect(() => (str.nonStrictSetPrivate = "wat")).toThrow();
expect(lastSetThisValue).toBeNull();
lastSetThisValue = null;
});
test("string object: string property name access", () => {
expect(new String("").length).toBe(0);
expect(new String("foo").length).toBe(3);
expect(new String("foo").bar).toBeUndefined();
expect(new String("foo").foo).toBe("foo");
expect(typeof new String("foo").strictThis).toBe("object");
let str = new String("foo");
expect(str.strictThis).toBe(str);
expect(typeof str.nonStrictThis).toBe("object");
expect(str.nonStrictThis === str.nonStrictThis).toBeTrue();
expect(str.nonStrictThis !== String.prototype).toBeTrue();
expect(str.nonStrictThis instanceof String).toBeTrue();
expect(new String("foo").nonStrictThis !== new String("foo").nonStrictThis).toBeTrue();
expect(new String("foo").strictThis !== new String("foo").strictThis).toBeTrue();
lastSetThisValue = null;
expect(() => str.strictGetPrivate).toThrow();
expect(lastSetThisValue).toBeNull();
lastSetThisValue = null;
expect(() => str.nonStrictGetPrivate).toThrow();
expect(lastSetThisValue).toBeNull();
lastSetThisValue = null;
expect(() => (str.strictSetPrivate = "wat")).toThrow();
expect(lastSetThisValue).toBeNull();
lastSetThisValue = null;
expect(() => (str.nonStrictSetPrivate = "wat")).toThrow();
expect(lastSetThisValue).toBeNull();
lastSetThisValue = null;
});
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